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atomic_ops - atomic_*() vs atomic_*_nv()
What's the rationalle for having both:
atomic_*() and atomic_*_nv() functions?
The functions are duplicate of each other, the difference is one does
not return anything and the other returns a new value.
Where would you use either of those functions? If I want to have a
shared counter that doesn't overflow above a certain value, how can
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